Support build_all_channels for release branches

builder_entrypoint.sh is executed on every:
- UI / TP commit
- Every change to a release branch
(as configured via gcloud)

However prior to this change the SHA of the *triggering commit*
was ignored. Instead we:
- unconditionally checked out the Perfetto repo
- looked at ui/release/channels.json
- checked out the three revisions detailed there
- for each revision we build and uploaded the UI
- for stable we additionally update index.html & the service worker.

After this change we add support to builder_entrypoint.sh and
build_all_channels.py for building just a specific commit and uploading
that. We use this for release branches which we detect this by
examining the triggering commit and seeing if the commit is the
HEAD of a branch matching origin/releases/v*.

Change-Id: I6705816de85fcf60a22afdbe3243e71875b17523
2 files changed
tree: 617047a8f47660acae1ea6f87a097129bb78d702
  1. .github/
  2. bazel/
  3. build_overrides/
  4. buildtools/
  5. debian/
  6. docs/
  7. examples/
  8. gn/
  9. include/
  10. infra/
  11. protos/
  12. python/
  13. src/
  14. test/
  15. third_party/
  16. tools/
  17. ui/
  18. .clang-format
  19. .clang-tidy
  20. .git-blame-ignore-revs
  21. .gitattributes
  22. .gitignore
  23. .gn
  24. .style.yapf
  25. Android.bp
  26. Android.bp.extras
  27. BUILD
  28. BUILD.extras
  29. BUILD.gn
  30. CHANGELOG
  31. codereview.settings
  32. DIR_METADATA
  33. heapprofd.rc
  34. LICENSE
  35. meson.build
  36. METADATA
  37. MODULE_LICENSE_APACHE2
  38. OWNERS
  39. perfetto.rc
  40. PerfettoIntegrationTests.xml
  41. PRESUBMIT.py
  42. README.chromium
  43. README.md
  44. TEST_MAPPING
  45. traced_perf.rc
  46. WATCHLISTS
  47. WORKSPACE
README.md

Perfetto - System profiling, app tracing and trace analysis

Perfetto is a production-grade open-source stack for performance instrumentation and trace analysis. It offers services and libraries and for recording system-level and app-level traces, native + java heap profiling, a library for analyzing traces using SQL and a web-based UI to visualize and explore multi-GB traces.

See https://perfetto.dev/docs or the /docs/ directory for documentation.